Compute the electric potential at a point
A disk having radius R consists of a uniform surface charge density. By regarding the disk as a series of thin concentric rings, compute the electric potential V at a point on the disk's axis a distance x from the center of the disk.
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What quantity of drug is in body right after third tablet? The 32th? Suppose you continue taking tablets, what occurs to drug level in long run?
As the station rotates, an astronaut in chamber A is moved 1.51 x 102 m all along a circular arc. Explain how far all along a circular arc is an astronaut in chamber B moved throughout the same time?
The sound intensity of 1.4x10-12 J/m2s is a threshold of hearing for the humans. Determine the amplitude of the motion of air molecules when the speed of sound in the air is 331 m/s and the density of air is 1.2 kg/m3? Use the frequency of the air
A toaster is rated at 600W when joined to a 120-V source. Determine the current which the toaster carry, and what is the resistance?
A mass of 2 kg is held 4 m above the ground. Determine the approximate potential energy due to gravity of the mass with respect to the ground?
A capacitor of 30 µF is charged to 88 V and is then joined across a 440 ? resistor. i) Determine the initial charge on the capacitor? Answer must be in units of µC.
John shoves a block of 0.50-kg from the bottom of a frictionless 30.0° inclined plane. He performs a work of 4.0 J and the block slides a distance s all along the incline before it stops. Find out the value of s.
The Sorry State Lottery needs you to choose five different numbers from 0 through 41. Find the probability that you are either Big Winner or Small-Fry Winner?
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